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This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft.
Unit of Measure
Specifications
Cone Part Number |
N/A 11590 |
Design Units |
N/A Imperial |
Cage Type |
N/A Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | N/A 7360 lbf32700 N |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | N/A 1910 lbf8490 N |
Abutment and Fillet Dimensions
| R - Cone Backface "To Clear" Radius3 | N/A 0.06 in1.520 mm |
da - Cone Frontface Backing Diameter |
N/A 0.89 in22.5 mm |
db - Cone Backface Backing Diameter |
N/A 0.96 in24.5 mm |
Ab - Cage-Cone Frontface Clearance |
N/A 0.05 in1.3 mm |
Aa - Cage-Cone Backface Clearance |
N/A 0.04 in1 mm |
| a - Effective Center Location4 | N/A -0.05 in-1.3 mm |
- 1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
- 2 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
- 3 These maximum fillet radii will be cleared by the bearing corners.
- 4 Negative value indicates effective center inside cone backface.
- 5 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
- 6 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
- 7 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
- 8 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
- 9 Geometry constant for Lubrication Life Adjustment Factor a3l.
